Match existing type usage better.

webrtc/modules/audio_coding/codecs/ilbc/decode.c

 /*
  *  Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 188 matching lines @@
           80, lag, -1);
     } else {
       lag = (int16_t)WebRtcIlbcfix_XcorrCoef(
           &decresidual[iLBCdec_inst->blockl-ENH_BLOCKL],
           &decresidual[iLBCdec_inst->blockl-ENH_BLOCKL-lag],
           ENH_BLOCKL,
           100, lag, -1);
     }
 
     /* Store lag (it is needed if next packet is lost) */
-    (*iLBCdec_inst).last_lag = (int)lag;
+    (*iLBCdec_inst).last_lag = lag;
 
     /* copy data and run synthesis filter */
     WEBRTC_SPL_MEMCPY_W16(data, decresidual, iLBCdec_inst->blockl);
 
     /* Set up the filter state */
     WEBRTC_SPL_MEMCPY_W16(&data[-LPC_FILTERORDER], iLBCdec_inst->syntMem, LPC_FILTERORDER);
 
     for (i=0; i < iLBCdec_inst->nsub; i++) {
       WebRtcSpl_FilterARFastQ12(
           data+i*SUBL, data+i*SUBL,
@@ skipping 14 matching lines @@
 
   WEBRTC_SPL_MEMCPY_W16(iLBCdec_inst->old_syntdenum,
                         syntdenum, iLBCdec_inst->nsub*(LPC_FILTERORDER+1));
 
   iLBCdec_inst->prev_enh_pl=0;
 
   if (mode==0) { /* PLC was used */
     iLBCdec_inst->prev_enh_pl=1;
   }
 }